5229640 has 64 divisors (see below), whose sum is σ = 12927600. Its totient is φ = 1892352.

The previous prime is 5229613. The next prime is 5229649. The reversal of 5229640 is 469225.

It can be written as a sum of positive squares in 8 ways, for example, as 3844 + 5225796 = 62^2 + 2286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5229599 and 5229608.

It is not an unprimeable number, because it can be changed into a prime (5229649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46224 + ... + 46336.

Almost surely, 2^5229640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5229640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6463800).

5229640 is an abundant number, since it is smaller than the sum of its proper divisors (7697960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5229640 is a wasteful number, since it uses less digits than its factorization.

5229640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 5229640 is about 2286.8406153469. The cubic root of 5229640 is about 173.5763684766.

It can be divided in two parts, 52 and 29640, that added together give a palindrome (29692).

The spelling of 5229640 in words is "five million, two hundred twenty-nine thousand, six hundred forty".